I agree with the previous posters. Long time GEX-UTX user but converted. What the base+vector does not give you is landclass. At the moment ORBX have issued only two landclass products and these are Europe and Canada. For Europe the combination of the three is as good as it can get without invoking region specific tools and photoreal like they do in their regions (e.g. PNW).
Alternatively, you could still use UTX landclass, if carefully positioned in the library.